Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Test of intake air temperature sensor (G42)
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Test of filling and atmospheric pressure sensor (G31)
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Activation - fuel pump (G6)
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Basic settings - adaptation - Test: throttle valve
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Creation of readiness
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Automatic test procedure
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Deletion of statistics memory - Start-stop
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Zeroing learning values DPF - If replaced: pressure difference sensor (G505)
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Customer limitation of maximum speed
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Start/stop - activation/deactivation
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Bleeding (deaeration) - Engine cooling
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Adaptation - pressure difference sensor - exhaust recirculation
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Security access: blocking detection
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine DPF regeneration
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Clogging of diesel particulate filter - oil Ash
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test start/stop
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - idle stabilization
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Temperature sensors test
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test: clutch pedal - pedal switch
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2